Microscopic NN-π NN*(1440) transition potential: determination of πNN*(1440) and πNN*(1440) coupling constants
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Microscopic NN-π NN*(1440) transition potential: determination of πNN*(1440) and πNN*(1440) coupling constants

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Microscopic NN-π NN*(1440) transition potential: determination of πNN*(1440) and πNN*(1440) coupling constants

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Juliá Díaz, Bruno; Valcarce Mejía, Alfredo; González Marhuenda, Pedro; Fernández González, Francisco
This document is a artículoDate2002

Este documento está disponible también en : http://hdl.handle.net/10550/42823
A NN→NN∗(1440) transition potential, based on an effective quark-quark interaction and a constituent quark cluster model for baryons, is derived in the Born-Oppenheimer approach. The potential shows significant differences with respect to those obtained by a direct scaling of the nucleon-nucleon interaction. From its asymptotic behavior we extract the values of πNN∗(1440) and σNN∗(1440) coupling constants in a particular coupling scheme.

    Juliá Díaz, Bruno Valcarce Mejía, Alfredo González Marhuenda, Pedro Fernández González, Francisco 2002 Microscopic NN-π NN*(1440) transition potential: determination of πNN*(1440) and πNN*(1440) coupling constants Physical Review C 66 024005 0240120
http://dx.doi.org/10.1103/PhysRevC.66.024005

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